摘要
經濟部於2012年7月頒布「離岸式風力發電獎勵辦法」，鼓勵推動國內離岸風力發電產業的發展，目標於2015年完成離岸先導型風場示範風機組設置，並於2020年前完成示範風場開發。
離岸風場之建置成本約為1.22億新台幣/MW，高出陸域風場2倍，其中部分原因是由於海上施工較陸上困難且成本高所造成，我國未來欲開發離岸風電產業勢必投入龐大資金，因此如何估算海上施工成本成為重要課題之一。海上施工包括基礎支承結構、風機的安裝及電網施工，約占總建置成本之20%，其中風機的安裝階段之成本約占1/4，而風機安裝成本絕大部分在於施工船之租賃費用，其成本等於安裝船之日租費率乘上所需施工日數。
本研究欲提供我國未來離岸風場開發可參考施工成本模型，整合現有施工船隻日費率估算模型與風機安裝施工日估算模型並改良，提出一施工成本估算法，以現有風場為例與現有估算法進行結果分析，再以福海風場與台中港2號碼頭為例，估算風機採用各預組裝方式(SP6、SP5、R2T、BE1T與BE2T)之施工成本，結果顯示，本研究提出之估算法在施工日估算上有較準確之結果，而估算福海風場之風機安裝成本約為1.25億元/MW，最後針對模型未來可改良處作出建議。

The capital cost of offshore wind farm which is about $122 million NT dollars per MW is more expensive than onshore in part due to the added cost of offshore installation. For offshore wind farm, three main components are installed during installation: foundations, turbine and electric grid. This study aimed to assess installation cost of offshore wind turbine in order to provide offshore wind power developers in Taiwan a model for reference.
To assess installation cost, integrating offshore wind installation vessel day-rates model and installation time model, and improving existing installation cost model, this study presents an installation cost model. In case of Europe wind farm analysis, the model of this study is more accurate than existing models in installation time estimation. Using installation cost model of this study to estimate the wind turbine installation cost in Taiwan Fuhai wind farm. The results present the installation cost of five pre-assembly methods and total capital cost average $125 million NT dollars per MW.

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